Mining and Summarizing Customer Reviews

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A summary of two papers by Hu and Liu, used as a starting point for class discussion. Presented on Nov. 20, 2007 for CPSC 503 (http://www.cs.ubc.ca/~carenini/TEACHING/CPSC503-07/503-07.html)

Economía y finanzas Educación

Mining and Summarizing Customer Reviews Lucas Rizoli 2007-11-20 CPSC 503

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From http://www.amazon.com/Pearl-Harbor-Two-Disc-Anniversary-Commemorative/dp/B00003CXTG/

From http://www.amazon.com/Pearl-Harbor-Two-Disc-Anniversary-Commemorative/dp/B00003CXTG/ Plot Acting Special Effects Historical accuracy Sound quality …

From http://www.amazon.com/Pearl-Harbor-Two-Disc-Anniversary-Commemorative/dp/B00003CXTG/ I want a summary Feature-by-feature evaluation Use all reviews

Major phases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Finding features ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Identifying opinions ,[object Object],[object Object],[object Object],[object Object]

Uncommon features ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Word orientation ,[object Object],[object Object],[object Object],[object Object]

unoriginal new fresh original innovative + + + +

unoriginal new banal hackneyed trite fresh original innovative + − + + + − − −

Sentence orientation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]

Finding features 0.72 0.80 Uncommon 0.79 0.66 Redundancy 0.66 0.67 Compactness 0.56 0.68 Frequency Precision Recall

Identifying opinions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Evaluation issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Future work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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